Mail-bag hasp-lock.



J. B. DOSS.

MAIL BAG HASP LOCK.

APBLICATION FILED MAY 2. 1914.

Patented Aug. 31, 1915.

H mm 2. Fig. 4': is

- ncss, or WENGATB,

,5 "w rr or i, 1 (in tin.

ZN'DIANA.

MAIL-BAG HASP-LOCK.

Specification of Letters Yatent.

Patented ring. 31,

Application filed May 2, 1914. Serial No. 835,945.

Z2) all ubiiom it may concern Be it known that 1, JOHN B. Doss, a citizen. of the United States, residing at lVingate, in the county of Montgomery and State of Indiana, have invented certain new and useful improvements in Mail-Bag Hasp-Locks, of which the following is a specification.

The object of this invention is to provide a hasp lock particularly well adapted for use on mail bags and in like connection, which can be very simply and inexpensively manufactured, and has the part thereof so constructed. and arranged that the danger of breakage or injury to the lock, due to the rough usage usually accorded such loclts. is almost entirely precluded.

This invention also has for its object to provide a lock of this character, which. while it can be applied and locked by any person without the use of special implement, cannot be opened without the use of a special key.

lVith other objects in view, which will be referred to, my invention consists in the peculiar combination and novel arrangement of parts, such as will be hereinafter more fully described in connection with the accompanying drawing and more particularly ointed out in the appended claim.

In the drawing :Figure 1 shows the upper end of a bag closed and with my hasp lock in place. Fig. 2 is a sectional view on the line 2-2 of Fig. Fig. 3 is a longitudinal sectional view on the line 3-3 of Fig. a view in perspective of one of hold the lock in place within the hasp. Fig. 5 is a. view in side elevation showing one form which the key used to release the lock might take.

The hasp in its body portion comprises a top 1 and a bottom 2 which are connected together around their edges by a rim 3, to form a casing. The top and bottom mcmhers 1 and 2 of the casing have longitudinal slots and 5, respectively, formed therethrough to be in transverse alinemcnt and the spring locking arms 6 and 7 are mounted in the casing to lie on either side thereof adjacent the slots 4 and 5. The spring arms 6 and 7 are connected to the blocks ll and 12, and these blocks are in turn secured rigidly within the casing by the rivet 13 which ma" be also used to secure the top and bottom member 1 and 2 of the casing connected-with the rim 3. A pin 8 is secured to the bottom member 2 of the casing to the blocks used to extend upwardly therefrom near the outer end and the arms 6 and 7 are brought around at 9 and 10 to fit adjacent this pin The hasp casing composed of the members l, 2 and 3 is in the adaptation disclosed, illustrated as connected with a strap ll provided to be passed around the top the mail bag after this top has been brought together as shown in Fig. l, by a hinge connection 15. "lhespring arms 6 and '7 eacu have a projection 16 formed from the inner side thereof to extend to a position within the opening through the slots -l and 5, as better shown in Fi n Z. A staple 1? of a dimension to fit through the slots d and 5 is secured to the member with which the hasp is to be loci-zed,

and in the present instance it will be understood of course that this staple is connected with one end of the strap ll while the hasp connected with the opposite end.

In use, the hasp is placed with relation to the staple 17 so that this staple comes within the slot then by exerting pressure upon the hasp the projections 16 are brought to bear against the staple 17 and are forced from the path of the staple against the tension of the spring arms (3 and 7. It will be understood that this staple l7 might be made beveled on each side so that it would be wedge-shaped where it comes between the projections 16, or that the outer edges 05 these projections 16 might be beveled to present an incline surface to the staple as it is inserted through the slot 5 thus making the hasp more readily placed over the s aple. When the projections it? have passed over the body the staplel? they spring back to occupy the position. shown in Fig. 2, so that they rest and engage within the loop of the staple and prevent removal of the busy therefrom. The top member 1 of the casing of the hasp is provided with a keyway 18 directly above the point of disposition -of the pin 8 and the key 19 adapted torelease the lmsp from its locked position can be inserted through this kcywuy 18 to a point between the end 9 and 10 of the spring arms (3 and 7. lVhen the key 19 is inserted within the casing and turned, it engages with the end 9 and 10 and forces the spring arms (3 and 7 back toward the sides of the casing against their spring tension thus removing the projections 16 from their position within the loop otthc staple l7 and leaving the staple 3 to be withdrawn from its position through the slots l and 5.

From the foregoing it will be seen that I have provided a hasp having an internally arranged lock so constructed that it may be brought into locked relation. with a staple without the use of special implements, yet requires :1 special key that it may be released fK'OIIl the staple.

While I have herein shown and described one specific form of my invention, it will be understood that slight changes might be made in the form and arrangement or the parts Without departing from the spirit and scope of my invention, and hence I donot Wish to be limited thereto except for such limitations as the claim may import.

I claim In it hesp lock, it hasp casing provided- With a slot trans versely therethrough through which a staple may be inserted and passed, a pair of how-leaf spring arms perforated at their one end and at the opposite end shaped to have key-receiving portions, each of said arms provided with a staple-engaging por tion'within the bow thereof, slotted blocks staple-engaging projections thereof within l the opening through the casing.

In testimony whereof I'aflix nay-signature I i in presence of two Witnesses.

JOHN B. DOSE. t

Witnesses:

JOHN L. DUNCAN, JOHN W. MCCORKLE. 

